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Question

The mobile or solvent phase is drawn up the TLC plate or the stationery phase by which of the actions?

A
Capillary action
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B
Diffusion
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C
Osmosis
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D
None of these
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Solution

The correct option is A Capillary action
The mobile phase travels up or down the stationery phase in a TLC plate by capillary action.
Capillary action is the ability of liquid to flow through narrow spaces or volume without the assistance or opposition of external forces.

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